<!DOCTYPE html>
<html>
<head>
<style type="text/css">

div { position: absolute; height: 10px; width: 10px; }

</style>
</head>

<body onload="document.getElementById('c').style.counterIncrement = 'z';">

<div style="-moz-column-count: 2;"><div id="c" style="white-space: pre;">

<div>
<div></div></div></div></div>

</body>
</html>
